1375392556 has 12 divisors (see below), whose sum is σ = 2407455792. Its totient is φ = 687548048.

The previous prime is 1375392547. The next prime is 1375392563. The reversal of 1375392556 is 6552935731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14680 + ... + 54463.

It is an arithmetic number, because the mean of its divisors is an integer number (200621316).

Almost surely, 2^1375392556 is an apocalyptic number.

It is an amenable number.

1375392556 is a deficient number, since it is larger than the sum of its proper divisors (1032063236).

1375392556 is a wasteful number, since it uses less digits than its factorization.

1375392556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74120 (or 74118 counting only the distinct ones).

The product of its digits is 850500, while the sum is 46.

The square root of 1375392556 is about 37086.2852817588. The cubic root of 1375392556 is about 1112.0958578494.

The spelling of 1375392556 in words is "one billion, three hundred seventy-five million, three hundred ninety-two thousand, five hundred fifty-six".